MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

LummaStealer

Vendor detections: 10

Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash:	497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3
SHA3-384 hash:	5a65ae36dd28f0accad033a8ba39a04d75b14957f811cbf0775cb9b6283c01ad836962680f2410ae8872d63e26c3463b
SHA1 hash:	a41c61f9b2b393621859a77caa2533e7c6a9c490
MD5 hash:	cfbe896b1b4dcaaa46f3d148c77d701f
humanhash:	thirteen-uncle-lactose-minnesota
File name:	cfbe896b1b4dcaaa46f3d148c77d701f.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	473'088 bytes
First seen:	2025-01-20 13:53:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d49dfd33dd4c7f924010c34bcc95921d (2 x LummaStealer)
ssdeep	6144:hre0lUQaPvDtxX+VIHlASaGKjH+EAOGHesL/ld7elK5:k0mQaXDfX4WGlGKPAOG+shd
TLSH	T1C3A48D4252E07E15FBA24B328E2EE3E87F6EF5718E6973D929149A1F04701B2C563F11
TrID	34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.8% (.EXE) InstallShield setup (43053/19/16) 18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 6.3% (.EXE) Win64 Executable (generic) (10522/11/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
File icon (PE):
dhash icon	86c3c1858f86ad8d (1 x LummaStealer)
Reporter	abuse_ch
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

199

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=678e5844e708b6e7a3adad91

Tags:

spawn small

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a window

Connecting to a non-recommended domain

Creating a file in the %temp% directory

Searching for synchronization primitives

Creating a process from a recently created file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/678e5580886a7f86a8cd5ab3/reports/faae69f9-6aab-485a-ab0d-d6a5aa2ec846/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/dc6c7277-9812-4fab-965c-28af0657844e

Result

Threat name:

LummaC Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1595198

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jfzsdm5wqnjbd5oeplk6nvgwt6yathpc32p6ofhwrbgfudhb5xrq._file

Result

Malware family:

n/a

Score:

3/10

Tags:

discovery

Link:

https://tria.ge/reports/250120-q7h7fsslds/

Behaviour

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

System Location Discovery: System Language Discovery

Verdict:

Malicious

Tags:

lumma_stealer stealer c2 lumma

YARA:

n/a

Link:

https://app.threat.zone/submission/2c782101-a738-4763-9acc-39105b695c8d

Unpacked files

SH256 hash:

0ba9203ea84c92d3ce90fd586bbddc3f8792ab3a7f081c49915aa99cab804395

MD5 hash:

8d0890e7639eeb3780a98d3f040a7403

SHA1 hash:

ae4a83203583fce2f28eafe6e94e2f3ab03f4f25

Link:

https://www.unpac.me/results/4c8e8e87-7c1b-4b17-82ed-981ad5009c46/

SH256 hash:

497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3

MD5 hash:

cfbe896b1b4dcaaa46f3d148c77d701f

SHA1 hash:

a41c61f9b2b393621859a77caa2533e7c6a9c490

Link:

https://www.unpac.me/results/4c8e8e87-7c1b-4b17-82ed-981ad5009c46/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Trojan_Generic_2993e5a5 Create hunting rule
Author:	Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

LummaStealer

exe 497321b3b6835211f5c47ad5e6d4d69fb0099de2de9fe714f6884c5a0ce1ede3

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3224762/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3351879/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleOutputW KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasW KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExA

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